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Patch antenna. A patch antenna is a type of antenna with a low profile, which can be mounted on a surface. It means that it is printed on the dielectric material. It consists of a planar rectangular, circular, triangular, or any geometrical sheet or "patch" of metal, mounted over a larger sheet of metal called a ground plane.
The term habitat fragmentation includes five discrete phenomena: Reduction in the total area of the habitat. Decrease of the interior: edge ratio. Isolation of one habitat fragment from other areas of habitat. Breaking up of one patch of habitat into several smaller patches. Decrease in the average size of each patch of habitat.
Patch, a term fundamental to landscape ecology, is defined as a relatively homogeneous area that differs from its surroundings. [6] Patches are the basic unit of the landscape that change and fluctuate, a process called patch dynamics. Patches have a definite shape and spatial configuration, and can be described compositionally by internal ...
Levins' original model applied to a metapopulation distributed over many patches of suitable habitat with significantly less interaction between patches than within a patch. Population dynamics within a patch were simplified to the point where only presence and absence were considered. Each patch in his model is either populated or not.
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Landscape connectivity. In landscape ecology, landscape connectivity is, broadly, "the degree to which the landscape facilitates or impedes movement among resource patches". [1] Alternatively, connectivity may be a continuous property of the landscape and independent of patches and paths. [2] [3] Connectivity includes both structural ...
Virtual private network (VPN) is a network architecture for virtually extending a private network (i.e. any computer network which is not the public Internet) across one or multiple other networks which are either untrusted (as they are not controlled by the entity aiming to implement the VPN) or need to be isolated (thus making the lower network invisible or not directly usable).
“People say, ‘Oh, when you lose a limb, that’s tragic because it’s just a horrible thing,’” he says. “For me, it was actually the opposite because that allowed me to move a lot more.”